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What is full form of CR39?

Updated: 4/25/2024
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13y ago

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The abbreviation stands for "Columbia Resin #39," because it was the 39th formula of a thermosetting plastic developed by the Columbia Resins project in 1940.

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13y ago
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6d ago

CR39 stands for Columbia Resin 39, which is a lightweight, impact-resistant plastic material commonly used in the production of eyeglass lenses.

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Q: What is full form of CR39?
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